EP2185965A4 - Optical scanning device and image forming apparatus - Google Patents

Optical scanning device and image forming apparatus

Info

Publication number
EP2185965A4
EP2185965A4 EP08830663.4A EP08830663A EP2185965A4 EP 2185965 A4 EP2185965 A4 EP 2185965A4 EP 08830663 A EP08830663 A EP 08830663A EP 2185965 A4 EP2185965 A4 EP 2185965A4
Authority
EP
European Patent Office
Prior art keywords
image forming
forming apparatus
scanning device
optical scanning
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08830663.4A
Other languages
German (de)
French (fr)
Other versions
EP2185965A1 (en
Inventor
Kohki Sasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of EP2185965A1 publication Critical patent/EP2185965A1/en
Publication of EP2185965A4 publication Critical patent/EP2185965A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/47—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light
    • B41J2/471—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • G02B26/127—Adaptive control of the scanning light beam, e.g. using the feedback from one or more detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • H04N1/053—Detection, control or error compensation of scanning velocity or position in main scanning direction, e.g. synchronisation of line start or picture elements in a line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/113—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors
    • H04N1/1135—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors for the main-scan only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0082—Image hardcopy reproducer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0466—Selectively scanning in one or the other of two opposite directions, e.g. in the forward or the reverse direction
    • H04N2201/0468—Scanning in both of the two directions, e.g. during the forward and return movements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/0471—Detection of scanning velocity or position using dedicated detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04729—Detection of scanning velocity or position in the main-scan direction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04732—Detecting at infrequent intervals, e.g. once or twice per line for main-scan control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04744—Detection of scanning velocity or position by detecting the scanned beam or a reference beam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04755—Control or error compensation of scanning position or velocity by controlling the position or movement of a scanning element or carriage, e.g. of a polygonal mirror, of a drive motor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04758—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area
    • H04N2201/04767—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area by controlling the timing of the signals, e.g. by controlling the frequency o phase of the pixel clock
    • H04N2201/04781—Controlling the phase of the signals
    • H04N2201/04786—Controlling a start time, e.g. for output of a line of data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04789—Control or error compensation of scanning position or velocity in the main-scan direction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Color Electrophotography (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Laser Beam Printer (AREA)
EP08830663.4A 2007-09-12 2008-09-05 Optical scanning device and image forming apparatus Withdrawn EP2185965A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007236274A JP5332157B2 (en) 2007-09-12 2007-09-12 Optical scanning apparatus and image forming apparatus
PCT/JP2008/066490 WO2009035064A1 (en) 2007-09-12 2008-09-05 Optical scanning device and image forming apparatus

Publications (2)

Publication Number Publication Date
EP2185965A1 EP2185965A1 (en) 2010-05-19
EP2185965A4 true EP2185965A4 (en) 2015-01-07

Family

ID=40452071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08830663.4A Withdrawn EP2185965A4 (en) 2007-09-12 2008-09-05 Optical scanning device and image forming apparatus

Country Status (4)

Country Link
US (1) US8154784B2 (en)
EP (1) EP2185965A4 (en)
JP (1) JP5332157B2 (en)
WO (1) WO2009035064A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010261979A (en) * 2009-04-30 2010-11-18 Funai Electric Co Ltd Laser projector
DE102009041995A1 (en) * 2009-09-18 2011-03-24 Carl Zeiss Meditec Ag Optical deflection unit for scanning, ophthalmic measuring and therapy systems
JP5302161B2 (en) * 2009-10-30 2013-10-02 京セラドキュメントソリューションズ株式会社 Optical scanning device and image forming apparatus having the same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030021497A1 (en) * 2001-07-11 2003-01-30 Atsushi Kandori Light beam deflecting apparatus, image forming apparatus utilizing the same and drive method therefor
US20040120022A1 (en) * 2002-12-23 2004-06-24 Cannon Roger S. Stationary coil oscillator scanning system
US20050185237A1 (en) * 2004-01-19 2005-08-25 Tomohiro Nakajima Imaging apparatus including optical scanning device with deflecting mirror module, and method of deflecting with the mirror module
US20060028533A1 (en) * 2004-08-06 2006-02-09 Tomohiro Nakajima Optical scanning unit and image forming apparatus
US20060119700A1 (en) * 2004-12-02 2006-06-08 Lexmark International, Inc. Torsion oscillator current control driver
US20060243886A1 (en) * 2005-05-02 2006-11-02 Seiko Epson Corporation Apparatus for and method of adjusting write start position
US20070146851A1 (en) * 2005-12-26 2007-06-28 Tomohiro Nakajima Optical scanning device and image forming apparatus
JP2007185786A (en) * 2006-01-11 2007-07-26 Seiko Epson Corp Optical scanner and its control method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3006178B2 (en) 1991-06-21 2000-02-07 富士電機株式会社 Electrostatic actuator
JPH05224751A (en) 1992-02-10 1993-09-03 Fuji Electric Co Ltd Electrostatic actuator
JPH07181415A (en) 1993-12-22 1995-07-21 Omron Corp Optical scanner
JPH08211320A (en) 1994-11-10 1996-08-20 Toshiba Corp Galvanomirror and optical disk device using the same
JPH0968666A (en) 1995-08-31 1997-03-11 Denso Corp Optical scanner
JP3543473B2 (en) 1996-02-20 2004-07-14 ブラザー工業株式会社 Optical scanning device
JP3584595B2 (en) 1996-02-20 2004-11-04 ブラザー工業株式会社 Optical scanning device
JP3011144B2 (en) 1997-07-31 2000-02-21 日本電気株式会社 Optical scanner and its driving method
JP2000162538A (en) 1998-11-30 2000-06-16 Mitsubishi Electric Corp Micromirror device
JP2002078368A (en) 2000-08-28 2002-03-15 Olympus Optical Co Ltd Actuator driver
JP2002116403A (en) 2000-10-10 2002-04-19 Univ Tokyo Optical scanner
JP2003241120A (en) 2002-02-22 2003-08-27 Japan Aviation Electronics Industry Ltd Optical device
JP4462602B2 (en) 2003-06-18 2010-05-12 株式会社リコー Optical scanning apparatus, optical writing apparatus, and image forming apparatus
JP2005046958A (en) 2003-07-30 2005-02-24 Fujitsu Ltd Micro structure
JP4496789B2 (en) 2004-01-26 2010-07-07 セイコーエプソン株式会社 Optical scanning apparatus and image forming apparatus

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030021497A1 (en) * 2001-07-11 2003-01-30 Atsushi Kandori Light beam deflecting apparatus, image forming apparatus utilizing the same and drive method therefor
US20040120022A1 (en) * 2002-12-23 2004-06-24 Cannon Roger S. Stationary coil oscillator scanning system
US20050185237A1 (en) * 2004-01-19 2005-08-25 Tomohiro Nakajima Imaging apparatus including optical scanning device with deflecting mirror module, and method of deflecting with the mirror module
US20060028533A1 (en) * 2004-08-06 2006-02-09 Tomohiro Nakajima Optical scanning unit and image forming apparatus
US20060119700A1 (en) * 2004-12-02 2006-06-08 Lexmark International, Inc. Torsion oscillator current control driver
US20060243886A1 (en) * 2005-05-02 2006-11-02 Seiko Epson Corporation Apparatus for and method of adjusting write start position
JP2006305969A (en) * 2005-05-02 2006-11-09 Seiko Epson Corp Image forming device, and image forming method
US20070146851A1 (en) * 2005-12-26 2007-06-28 Tomohiro Nakajima Optical scanning device and image forming apparatus
JP2007185786A (en) * 2006-01-11 2007-07-26 Seiko Epson Corp Optical scanner and its control method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009035064A1 *

Also Published As

Publication number Publication date
EP2185965A1 (en) 2010-05-19
US20100195181A1 (en) 2010-08-05
JP2009069330A (en) 2009-04-02
JP5332157B2 (en) 2013-11-06
WO2009035064A1 (en) 2009-03-19
US8154784B2 (en) 2012-04-10

Similar Documents

Publication Publication Date Title
EP2054748A4 (en) Wide-angle lens and image capturing apparatus
TWI371963B (en) Image pickup apparatus
EP2334058A4 (en) Image zooming method and apparatus
EP2247094A4 (en) Orthophotographic image creating method and imaging device
EP2331999A4 (en) Wide-angle lens and imaging apparatus using the same
EP2340454A4 (en) Image capturing apparatus
EP1986423A4 (en) Image pickup apparatus
EP2347293A4 (en) Image capturing apparatus
EP2141539A4 (en) Blurring correction device and optical apparatus
EP2243055A4 (en) Optical apparatus and image pickup apparatus provided with the optical apparatus
EP2008574A4 (en) Image display apparatus
EP2237086A4 (en) Optical film and image forming apparatus having the same
HK1135224A1 (en) Image display device and image display method
EP2280789A4 (en) Image forming apparatus and foam application device
EP2382770A4 (en) Image processing apparatus and on-vehicle camera apparatus
EP2124445A4 (en) Image display device and image display method
EP2396705A4 (en) Fixing device and image forming apparatus
EP2279452A4 (en) Image pickup system and lens apparatus
EP2231407A4 (en) Image forming apparatus and foam application device
EP2116909A4 (en) Development apparatus and image forming apparatus
EP1984784A4 (en) Multi-direction image capture apparatus
GB0719721D0 (en) Image display apparatus
TWI346217B (en) Image capture lens and image capture apparatus
PL3168687T3 (en) Developing device and image forming apparatus
EP2417487A4 (en) Optical system and image pickup apparatus using the same

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20091216

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20141204

RIC1 Information provided on ipc code assigned before grant

Ipc: H04N 1/053 20060101ALI20141128BHEP

Ipc: G02B 26/12 20060101ALI20141128BHEP

Ipc: H04N 1/113 20060101AFI20141128BHEP

Ipc: G02B 26/10 20060101ALI20141128BHEP

Ipc: B41J 2/44 20060101ALI20141128BHEP

Ipc: B41J 2/47 20060101ALI20141128BHEP

17Q First examination report despatched

Effective date: 20170203

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20170614